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Server Error in '/' Application.


The network path was not found

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ComponentModel.Win32Exception: The network path was not found

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[Win32Exception (0x80004005): The network path was not found]

[SqlException (0x80131904): A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)]
System.Data.SqlClient.SqlInternalConnectionTds..ct or(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions, SessionData reconnectSessionData, DbConnectionPool pool, String accessToken, Boolean applyTransientFaultHandling, SqlAuthenticationProviderManager sqlAuthProviderManager) +1524
System.Data.SqlClient.SqlConnectionFactory.CreateC onnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions) +467
System.Data.ProviderBase.DbConnectionFactory.Creat ePooledConnection(DbConnectionPool pool, DbConnection owningObject, DbConnectionOptions options, DbConnectionPoolKey poolKey, DbConnectionOptions userOptions) +70
System.Data.ProviderBase.DbConnectionPool.CreateOb ject(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection) +940
System.Data.ProviderBase.DbConnectionPool.UserCrea teRequest(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection) +111
System.Data.ProviderBase.DbConnectionPool.TryGetCo nnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) +1567
System.Data.ProviderBase.DbConnectionPool.TryGetCo nnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) +118
System.Data.ProviderBase.DbConnectionFactory.TryGe tConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) +268
System.Data.ProviderBase.DbConnectionInternal.TryO penConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +315
System.Data.SqlClient.SqlConnection.TryOpenInner(T askCompletionSource`1 retry) +128
System.Data.SqlClient.SqlConnection.TryOpen(TaskCo mpletionSource`1 retry) +265
System.Data.SqlClient.SqlConnection.Open() +133
System.Data.Common.DbDataAdapter.FillInternal(Data Set dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +182
System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +180
System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, String srcTable) +123
System.Web.UI.WebControls.SqlDataSourceView.Execut eSelect(DataSourceSelectArguments arguments) +2947
System.Web.UI.DataSourceView.Select(DataSourceSele ctArguments arguments, DataSourceViewSelectCallback callback) +26
System.Web.UI.WebControls.BaseDataBoundControl.Ens ureDataBound() +134
System.Web.UI.WebControls.CompositeDataBoundContro l.CreateChildControls() +106
System.Web.UI.Control.EnsureChildControls() +107
System.Web.UI.Control.PreRenderRecursiveInternal() +58
System.Web.UI.Control.PreRenderRecursiveInternal() +227
System.Web.UI.Control.PreRenderRecursiveInternal() +227
System.Web.UI.Control.PreRenderRecursiveInternal() +227
System.Web.UI.Control.PreRenderRecursiveInternal() +227
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3671


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4494.0



اینم رشته اتصال
Data Source=localhost:2232;Initial Catalog=sardkhan_a.mdf;User ID=sardkhan_b;Password=2452455124522